#1D239A#1D239A

#1D239A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.3% C 0.186 H 269.9°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#1D239A
RGB	rgb(29, 35, 154)
HSL	hsl(237, 68%, 36%)
HSV	hsv(237, 81%, 60%)
CMYK	cmyk(81.2%, 77.3%, 0%, 39.6%)
CIE-LAB	lab(22.98, 40.93, -64.26)
CIE-LCH	lch(22.98, 76.19, 302.50°)
OKLab	oklab(35.34% -0.0002 -0.1861)
OKLCH	oklch(35.34% 0.186 269.9)
XYZ	xyz(6.9385, 3.7956, 30.9325)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D239A #9A941D

analogous

#1D619A #1D239A #551D9A

triadic

#1D239A #9A1D23 #239A1D

tetradic

#1D239A #9A1D61 #9A941D #1D9A55

square

#1D239A #9A1D61 #9A941D #1D9A55

split-complementary

#1D239A #9A551D #619A1D

monochromatic

#0A0C33 #131766 #1D239A #272FCE #535ADF

Accessibility & contrast

On white

11.94

#1D239A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D239A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D239A

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D239A	#FFFFFF	#000000	##FFFFFF
##1D239A	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003098

Tritanopia (blue-blind)

#00475D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d239a;
/* rgb */ color: rgb(29, 35, 154);
/* oklch */ color: oklch(35.3% 0.186 269.9);

Tailwind

colors: {
  custom: {
    50: '#7160b9',
    500: '#1d239a',
    950: '#000000',
  },
}

SCSS

$custom: #1d239a;
$custom-light: #7160b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d239a",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 154
  },
  "hsl": {
    "h": 237.12,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35339,
    "c": 0.18615,
    "h": 269.9
  },
  "luminance": 0.03796
}

Semantic roles & 50–950 ramp

primary

#1D239A

secondary

#C2BC51

accent

#E33DEB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #1D239A

Body copy rendered with the generated semantic roles for this colour.

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